Yellowstone National Park sits atop a supervolcano. Even though the area's still active, scientists don't think Yellowstone's supervolcano will erupt anytime soon (at least not in the next ...

[National Parks Gallery: See Photos of Yellowstone and Yosemite] You may like Scientists find 'breathing' magma cap inside Yellowstone supervolcano 'It was amazing': Scientists discover ash from 2 ...

A massive rockslide closed one of the main entrances into Yosemite National Park, forcing visitors to seek out alternative routes. As of Friday, a 4.5-mile stretch of Highway 140 was closed east ...